TY - STAND AU - C. Gasse AU - J. Hollowell AU - C. Meier AU - W. Haefeli BT - Thromb Haemost DO - 10.1160/th05-03-0166 M1 - 3 PY - 2005 SP - 537 EP - 43 T2 - Thromb Haemost TI - Drug interactions and risk of acute bleeding leading to hospitalisation or death in patients with chronic atrial fibrillation treated with warfarin VL - 94 SN - 0340-6245 (Print) 0340-6245 ER -